<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        td{
            /*text-align: center;*/
        }
    </style>
</head>
<body>
    <table bgcolor="grey" border="1" cellpadding="30" cellspacing="0" width="900" height="600" align="center">
        <tr valign="top" align="right">
            <th colspan="3">1-1</th>

        </tr>
        <tr>
            <td>2-1</td>
            <td rowspan="2" colspan="2">2-2</td>
       
        </tr>
        <tr>
            <td>3-1</td>

   
        </tr>
    </table>
</body>
</html>